﻿/*
* Copyright 2010 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ngilead.Test.Models;
using NHibernate;
using Ngilead.Test.DAO;
using NHibernate.Criterion;
using Ngilead.Test.Models.Stateless;

namespace Ngilead.Test.Services
{
    /// <summary>
    /// Employee service class
    /// </summary>
    public class EmployeeService : IEmployeeService
    {
        #region DAO

        private IEmployeeDAO _employeeDAO;

        /// <summary>
        /// Employee DAO
        /// </summary>
        private IEmployeeDAO EmployeeDAO
        {
            get
            {
                if (_employeeDAO == null)
                    _employeeDAO = DAOFactory.EmployeeDAO;
                return _employeeDAO;
            }
        }

        #endregion

        #region Generic

        /// <summary>
        /// Get employee by id
        /// </summary>
        /// <param name="id">Id</param>
        /// <returns>Employee</returns>
        public Employee LoadById(Int64 id)
        {
            return EmployeeDAO.LoadById(id);
        }

        /// <summary>
        /// Load all employees by id
        /// </summary>
        /// <returns>All employees</returns>
        public IList<Employee> LoadAll()
        {
            return EmployeeDAO.LoadAll();
        }

        /// <summary>
        /// Count all employees
        /// </summary>
        /// <returns>Count</returns>
        public Int64 CountAll()
        {
            return EmployeeDAO.CountAll();
        }

        /// <summary>
        /// Save or update employee
        /// </summary>
        /// <param name="obj">Employee</param>
        public void Save(Employee obj)
        {
            EmployeeDAO.Save(obj);
        }

        /// <summary>
        /// Delete employee
        /// </summary>
        /// <param name="obj">Employee</param>
        public void Delete(Employee obj)
        {
            EmployeeDAO.Delete(obj);
        }

        #endregion

        /// <summary>
        /// Load employee and messages by login
        /// </summary>
        /// <param name="login">Login</param>
        /// <returns>Employee</returns>
        public Employee SearchEmployeeAndMessagesByLogin(String login)
        {
            return EmployeeDAO.SearchEmployeeAndMessagesByLogin(login);
        }
    }
}
